<template>
    <div class="consult-illness-page">
        <cp-nav-bar title="图文问诊" />
        <!-- 医生提示 -->
        <div class="illness-tip" van-hairline--bottom>
            <!-- img是行内元素 独占一行 -->
            <img src="@/assets/avatar-doctor.svg" alt="">
            <div class="info">
                <p class="tit">在线医生</p>
                <p class="tip">请描述你的疾病或症状、是否用药、就诊经历，需要我听过什么样的帮助</p>
                <p class="safe">
                    <cp-icon name="consult-safe" />
                    <span>内容权医生可见</span>
                </p>
            </div>
        </div>
        <!-- 表单 -->
        <div class="illness-form">
            <van-field type="textarea" rows="3" placeholder="请详细描述你的病情，病情描述不能为空" v-model="form.illnessDesc">
            </van-field>
            <div class="item">
                <p>本次患病多久了？</p>
                <cp-radio-btn :options="timeOptions" v-model="form.illnessTime"></cp-radio-btn>
            </div>
            <div class="item">
                <p>此次病情是否去医院就诊过？</p>
                <cp-radio-btn :options="flagOptions" v-model="form.consultFlag"></cp-radio-btn>
            </div>
            <!-- 图片上传 -->
            <div class="illness-img">
                <!-- 最大数量max-count，最大体积max-size -->
                <!-- 选择图片后触发after-read函数，删除图片出发delete函数 -->
                <van-uploader upload-icon="photo-o" upload-text="上传图片" max-count="9" max-size="5 * 1024 * 1024"
                    :after-read="onAfterRead" @delete="onDeleteImg" v-model="fileList">
                </van-uploader>
                <p class="tip" v-if="!fileList.length">上传内容权医生可见，最多9张图片，最大5MB</p>
            </div>
            <van-button :class="{ disable }" @click="next" type="primary" block round>下一步</van-button>
        </div>
    </div>
</template>

<script setup lang='ts'>
import type { ConsultIllness, Image } from '@/types/consult'
import { ref, computed, onMounted } from 'vue'
import { IllnessTime } from '@/enums'
// 引入vant上传需要的type
import type { UploaderAfterRead, UploaderFileListItem } from 'vant/lib/uploader/types'
import { uploadImage } from '@/services/consult'
import { useRouter } from 'vue-router'
import { Dialog, Toast } from 'vant'
import { useConsultStore } from '@/stores'

const timeOptions = [
    { label: '一周内', value: IllnessTime.Week },
    { label: '一月内', value: IllnessTime.Month },
    { label: '半年内', value: IllnessTime.HalfYear },
    { label: '大于半年', value: IllnessTime.More },
]

const flagOptions = [
    { label: '就趁过', value: 0 },
    { label: '没就诊过', value: 1 }
]

const form = ref<ConsultIllness>({
    illnessDesc: '',
    illnessTime: undefined,
    consultFlag: undefined,
    pictures: []
})

const fileList = ref<Image[]>([])

const onAfterRead: UploaderAfterRead = (item) => {
    if (Array.isArray(item)) return
    if (!item.file) return
    // 开始上传
    item.status = 'uploading'
    item.message = '上传中...'
    uploadImage(item.file).then(res => {
        item.status = 'done'
        item.message = undefined
        item.url = res.data.url
        form.value.pictures?.push(res.data)
    }).catch(() => {
        item.status = 'failed'
        item.message = '上传失败'
    })

}

const onDeleteImg = (item: UploaderFileListItem) => {
    form.value.pictures = form.value.pictures?.filter(pic => pic.url !== item.url)
}

const disable = computed(() =>
    !form.value.illnessDesc || form.value.illnessTime === undefined || form.value.consultFlag === undefined
)

const router = useRouter()
const store = useConsultStore()
const next = () => {
    if (!form.value.illnessDesc) return Toast('请输入病情描述')
    if (form.value.illnessTime === undefined) return Toast('请选择症状持续时间')
    if (form.value.consultFlag === undefined) return Toast('请选择是否已经就诊')
    // 设置病情描述
    store.setIllness(form.value)
    // 跳转档案管理，需要根据 isChange 实现选择功能
    router.push('/user/patient?isChange=1')
}

// 数据回显
onMounted(() => {
    if (store.consult.illnessDesc) {
        Dialog.confirm({
            title: '温馨提示',
            message: '是否恢复您之前填写的病情信息？',
            confirmButtonColor: 'var(--cp-primary)'
        }).then(() => {
            // 确认
            const { illnessDesc, illnessTime, consultFlag, pictures } = store.consult
            form.value = { illnessDesc, illnessTime, consultFlag, pictures }
            // 图片回显
            fileList.value = pictures || []
        })
    }
})

</script>

<style scoped lang="scss">
.consult-illness-page {
    padding-top: 46px;
}

.illness-tip {
    display: flex;
    padding: 15px;

    .img {
        width: 52px;
        height: 52px;
        border-radius: 4px;
        overflow: hidden;
        margin-top: 10px;
    }

    .info {
        flex: 1;
        padding-left: 12px;

        .tit {
            font-size: 16px;
            margin-bottom: 5px;
        }

        .tip {
            padding: 12px;
            background: var(--cp-bg);
            color: var(--cp-text3);
            font-size: 13px;
            margin-bottom: 10px;
        }

        .safe {
            font-size: 10px;
            color: var(--cp-text3);
            display: flex;
            align-items: center;

            .cp-icon {
                font-size: 12px;
                margin-right: 2px;
            }
        }
    }
}

.illness-form {
    padding: 15px;

    .van-field {
        padding: 0;

        &::after {
            border-bottom: none;
        }
    }

    .item {
        >p {
            color: var(--pc-text3);
            padding: 15px 0;
        }
    }
}

.illness-img {
    padding-top: 16px;
    margin-bottom: 40px;
    display: flex;
    align-items: center;

    .tip {
        font-size: 12px;
        color: var(--cp-tip);
    }

    // 样式穿透 把vant的上传组件样式给改变
    ::v-deep() {
        .van-uploader {
            &_preview {
                &-delete {
                    left: -6px;
                    top: -6px;
                    border-radius: 50%;
                    background-color: var(--cp-primary);
                    width: 20px;
                    height: 20px;

                    &-icon {
                        transform: scale(0.9) translate(-22%, 22%);
                    }
                }

                &-image {
                    border-radius: 8px;
                    overflow: hidden;
                }
            }

            &_upload {
                border-radius: 8px;
            }

            &_upload-icon {
                color: var(--cp-text3);
            }
        }
    }
}

.van-button {
    font-size: 16px;
    margin-bottom: 30px;

    &.disable {
        opacity: 1;
        background: #fafafa;
        color: #d9dbde;
    }
}
</style>

